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Apex Acquisition (Schedule of Unaudited Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Apex Acquisition [Abstract] |  |
Net operating revenue | $ 108,209 | $ 108,551
Net earnings attributable to Century Casinos, Inc. shareholders | $ 7,012 | $ 12,089
Basic and diluted earnings per share | $ 0.29 | $ 0.49

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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